diff --git a/rocs.spec b/rocs.spec
index e1d244b..eec591a 100644
--- a/rocs.spec
+++ b/rocs.spec
@@ -1,5 +1,5 @@
 Name:          rocs
-Version:       21.08.1
+Version:       21.08.2
 Release:       1mamba
 Summary:       Graph Theory Tool for Professors and Students
 Group:         Graphical Desktop/Applications/Educational
@@ -11,6 +11,7 @@ Source:        http://download.kde.org/stable/release-service/%{version}/src/roc
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libX11-devel
 BuildRequires: libgcc
 BuildRequires: libgrantlee-devel
 BuildRequires: libkarchive-devel
@@ -144,6 +145,9 @@ exit 0
 %{_libdir}/librocsgraphtheory.so
 
 %changelog
+* Sun Oct 10 2021 Automatic Build System <autodist@mambasoft.it> 21.08.2-1mamba
+- automatic version update by autodist
+
 * Fri Sep 03 2021 Automatic Build System <autodist@mambasoft.it> 21.08.1-1mamba
 - automatic version update by autodist